1 ; RUN: llc < %s -mtriple=thumbv8 -print-machineinstrs=if-converter -arm-atomic-cfg-tidy=0 -o /dev/null 2>&1 | FileCheck %s 2 3 %struct.S = type { i8* (i8*)*, [1 x i8] } 4 define internal zeroext i8 @bar(%struct.S* %x, %struct.S* nocapture %y) nounwind readonly { 5 entry: 6 %0 = getelementptr inbounds %struct.S, %struct.S* %x, i32 0, i32 1, i32 0 7 %1 = load i8, i8* %0, align 1 8 %2 = zext i8 %1 to i32 9 %3 = and i32 %2, 112 10 %4 = icmp eq i32 %3, 0 11 br i1 %4, label %return, label %bb 12 13 bb: 14 %5 = getelementptr inbounds %struct.S, %struct.S* %y, i32 0, i32 1, i32 0 15 %6 = load i8, i8* %5, align 1 16 %7 = zext i8 %6 to i32 17 %8 = and i32 %7, 112 18 %9 = icmp eq i32 %8, 0 19 br i1 %9, label %return, label %bb2 20 21 ; CHECK: BB#2: derived from LLVM BB %bb2 22 ; CHECK: Successors according to CFG: BB#3({{[0-9a-fx/= ]+}}50.00%) BB#4({{[0-9a-fx/= ]+}}50.00%) 23 24 bb2: 25 %v10 = icmp eq i32 %3, 16 26 br i1 %v10, label %bb4, label %bb3, !prof !0 27 28 bb3: 29 %v11 = icmp eq i32 %8, 16 30 br i1 %v11, label %bb4, label %return, !prof !1 31 32 bb4: 33 %v12 = ptrtoint %struct.S* %x to i32 34 %phitmp = trunc i32 %v12 to i8 35 ret i8 %phitmp 36 37 return: 38 ret i8 1 39 } 40 41 !0 = !{!"branch_weights", i32 4, i32 12} 42 !1 = !{!"branch_weights", i32 8, i32 16} 43
